<chart>
      <data>
        <group id="point" type="value">
          <column id="x" values="2 5 8"/>
          <column id="y" values="5 10 4"/>
        </group>
        <column id="size" type="size" values="900 700 300"/>
        <column id="label" type="mytype" >
         <element>Label 1</element>
         <element>Label 2</element>
         <element>Label 3</element>
        </column>        
       <column type="paint" values="green yellow red"/>
      </data>
      <attributes chartType="scatter">
        <image width="300" height="200"/>
        <plot shape="circle" lineStroke="0" pointStroke="0" enclose="true"/>
        <axes font="12" gridLines="false" backStroke="1" backPaint="white">
          <axis dim="x" min="0" max="10">
            <marker position="1" labelText="Low" lineColor="green"/>
            <marker position="4" labelText="Medium" pointShape="triangle" pointPaint="black"/>
            <marker position="7" labelText="High" lineColor="red"/>
          </axis>
  	</axes>
      </attributes>
</chart>

